Data from: Empirical evidence for large X-effects in animals with undifferentiated sex chromosomes

Christophe Dufresnes, Tomasz Majtyka, Stuart J. E. Baird, Jörn F. Gerchen, Amaël Borzée, Romain Savary, Maria Ogielska, Nicolas Perrin & Matthias Stöck
Reproductive isolation is crucial for the process of speciation to progress. Sex chromosomes have been assigned a key role in driving reproductive isolation but empirical evidence from natural population processes has been restricted to organisms with degenerated sex chromosomes such as mammals and birds. Here we report restricted introgression at sex-linked compared to autosomal markers in a hybrid zone between two incipient species of European tree frog, Hyla arborea and H. orientalis, whose homologous X...

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Affiliations

  • University of Wrocław
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  • University of Lausanne
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  • Leibniz Institute of Freshwater Ecology and Inland Fisheries
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  • Seoul National University
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  • Institute of Vertebrate Biology
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